package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {
//        long deliveryTag = message.getMessageProperties().getDeliveryTag();
//        System.out.println("收到过期的订单信息,准备关闭订单"+entity.getOrderSn());
//        channel.basicAck(deliveryTag,false);
//    }
    /**
     * 容器中没有Binding、Queue、Exchange都会自动创建(RabbitMQ没有的情况下)
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        //(String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments)
        Map<String, Object> arguments=new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        return queue;
    }
    @Bean
    public Queue orderReleaseQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }
    @Bean
    public Exchange orderEventExchange(){
        //(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments) {
        //		super(name, durable, autoDelete, arguments)
        return new TopicExchange("order-event-exchange", true, false);
    }
    @Bean
    public Binding orderCreateOrderBinding(){
        //(String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments)
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }
    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放直接和库存释放绑定
     * @return
     */
    @Bean
    public Binding orderReleaseStock(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 秒杀消息队列
     * @return
     */
    @Bean
    public Queue orderSeckillQueue(){
        Queue queue = new Queue("order.seckill.order.queue", true, false, false);
        return queue;
    }
    /**
     * 秒杀订单信息与队列进行绑定
     * @return
     */
    @Bean
    public Binding seckillOrderCreate(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
